SUS4 Chord ID
Name the chord you're hearing.
About
Identify any chord you hear or play. This app listens to music or uses its built-in keyboard to name chords, displaying common guitar and piano voicings. It supports everything from simple triads to complex jazz chords and logs your identified chords with notes.
What's New in SUS4 Chord ID
1.1.3
September 27, 2026
Stability and performance improvements.
Subscriptions & In-App Purchases
SUS4 Chord ID Pro Monthly
Unlock unlimited identifications, voicings, h
Developer apps
FAQ
What is SUS4 Chord ID?
SUS4 Chord ID is a music application that identifies chords you play or hear. It offers both microphone-based detection and a built-in keyboard for manual input, displaying common voicings for guitar and piano.
What types of chords can SUS4 Chord ID identify?
SUS4 Chord ID can identify a wide range of chords, from basic major and minor triads to extended jazz chords and ambiguous slash chords.
Does SUS4 Chord ID have ads?
No, SUS4 Chord ID does not contain advertisements. The app is free to use with optional in-app purchases for advanced features.
What devices is SUS4 Chord ID available on?
SUS4 Chord ID is available on Mac, Apple Watch, iPhone, and iPad, allowing for flexible use across Apple's ecosystem.
How does the identification history work in SUS4 Chord ID?
The history tab logs every chord you identify, with an option to add personal notes. This is useful for tracking chord progressions during songwriting or for theory study.
What are the subscription options for SUS4 Chord ID?
SUS4 Chord ID offers a monthly subscription for $2.99, which unlocks unlimited identifications, voicing diagrams for common chords, and an annotated history.
Is my music private when using SUS4 Chord ID?
Yes, all audio analysis for SUS4 Chord ID runs directly on your device, ensuring that your music remains private and is not shared.
What is the age rating for SUS4 Chord ID?
SUS4 Chord ID has an age rating of 4+, making it suitable for a wide range of users interested in music.
